Cheap flights from Buenos Aires to London from $499

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Booking opens on Aviasales, which shows baggage, fare rules and the live price.

Cheapest

$499

JetSmart, flight JA 730Found 2 days ago, 1 adult

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10:10pmBuenos AiresWed, Nov 4

Travel time 18h 12m, 2 stopsAEPSTN

7:22pmLondonThu, Nov 5

$510

Air Canada, flight AC 91Found 4 days ago, 1 adult

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4:45pmBuenos AiresFri, Nov 27

Travel time 15h 25m, 2 stopsEZELHR

11:10amLondonSat, Nov 28

$515

Sky Airline, flight H2 538Found 3 days ago, 1 adult

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11:50amBuenos AiresTue, Dec 1

Travel time 17h 50m, 2 stopsAEPSTN

8:40amLondonWed, Dec 2

$534

Air Canada, flight AC 91Found 7 days ago, 1 adult

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4:45pmBuenos AiresSat, Nov 28

Travel time 15h 10m, 2 stopsEZELGW

10:55amLondonSun, Nov 29

$544

JetSmart, flight JA 3080Found 2 days ago, 1 adult

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9:10pmBuenos AiresWed, Nov 25

Travel time 18h 31m, 3 stopsAEPLTN

6:41pmLondonThu, Nov 26

Round trips

The cheapest return tickets found recently, price for the whole trip.

Plan the rest of the trip

Mobile data in United KingdomTravel eSIM from $4, installed before you fly.
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Getting from the airportTransfers and car hire in London, booked ahead at a fixed price.
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Things to do in LondonPopular tours from $51.70 per person.
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Flight delayed?Delayed or cancelled? With a UK or EU airline you may be owed up to £520 per person under UK261.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu12345678910111213141516171819202122232425–26–27–28–29–30–31–

November 2026

MoTuWeThFrSaSu1–2–3–4$499 5$578 6$682 7–8–9–10–11–12–13–14–15–16–17–18–19–20–21–22–23–24–25$544 26–27$510 28$534 29–30–

December 2026

MoTuWeThFrSaSu1$515 2–3–4–5–6–7–8–9–10–11–12–13–14–15–16–17–18–19–20$777 21$735 22$731 23$6982425262728293031

$534 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 4, $499.

Lowest fares by month

In the fares found this week, November has the lowest: from $499 one-way, against $630 in April 2027. Pick a month to see its cheapest date.

Octno fares yet
Nov$499
Dec$515
Jan$626
Febno fares yet
Marno fares yet
Apr$630
Mayno fares yet
Junno fares yet
Julno fares yet
Augno fares yet
Sepno fares yet

Show as a table

Month	Cheapest one-way	Date	Stops
October	—
November	$499	Wed, Nov 4	2 stops
December	$515	Tue, Dec 1	2 stops
January 2027	$626	Mon, Jan 25	1 stop
February 2027	—
March 2027	—
April 2027	$630	Sun, Apr 4	2 stops
May 2027	—
June 2027	—
July 2027	—
August 2027	—
September 2027	—

Fares and weather by month

The lowest one-way fare found for each month, next to the weather in London. Average daily high and low and monthly precipitation.

	Oct2026	Nov	Dec	Jan2027	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep
Lowest fare	–	$499	$515	$626	–	–	$630	–	–	–	–	–
High °C	16°	12°	9°	8°	9°	12°	15°	18°	22°	24°	23°	20°
Low °C	9°	5°	3°	3°	3°	4°	6°	9°	12°	14°	14°	12°
Precipitation mm	65	67	57	59	45	39	42	46	47	46	53	50

Source: London on Wikipedia, CC BY-SA 4.0.

Questions travellers ask

What is the cheapest month to fly from Buenos Aires to London?

In the fares found this week, November has the lowest: from $499 one-way, against $630 in April 2027.

What is the weather in London in November?

In November, the cheapest month to fly, the average daily high in London is 12 °C and the low 5 °C.

Are there direct flights from Buenos Aires to London?

None of the fares found recently are nonstop. The cheapest options have at least one stop.

Which day of the week is cheapest to fly?

In the fares we have, Wednesday departures are the cheapest, with a typical lowest fare of $621. Saturday is the priciest at about $853.

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